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AI Accessibility Benchmark

Beta

Test results

Pick a model to see how accessible its components are, with the accessibility skill off and on.

Gemini 4 Argon

Skill version 2.3

Results for 22 components, each generated 3 times.Each acceptance criterion is counted once per component if it fails in any generation.
MeasureSkill offSkill on
Failed acceptance criteria220
of which WCAG150
of which Best practice70
Total cost (US dollars)$4.84$10.85

Disclosure

Results, totals across all generations

Failed acceptance criteria

Each acceptance criterion is counted once per component if it fails in any generation.

Skill off
0 fails
WCAG
0 fails
Best practice
0 fails
Skill on
0 fails
WCAG
0 fails
Best practice
0 fails

Efficiency, average per generation

Input tokens include cache reads.

Cost in USD

Input tokens

Skill off
5,096 tokens
Skill on
49,962 tokens

Output tokens

Skill off
3,084 tokens
Skill on
3,738 tokens

Turns

Skill off
3 turns
Skill on
5 turns

Time

Skill off
42 seconds
Skill on
76 seconds

Cost

Skill off
$0.04
Skill on
$0.09

Generated components

Prompt given to the model
Build a delivery information section in a single self-contained HTML file (inline CSS and JS, no build step, no external libraries). It has a button labelled "Show delivery details"; clicking it shows or hides a block of delivery information below it. The delivery information is hidden when the page first loads. Use this exact text for the delivery information: "Standard delivery takes 3 to 5 business days. Express delivery takes 1 to 2 business days and costs an extra $9.95." Output the complete code in one HTML code block.
Skill off
Skill on

Acceptance criteria

Show

Showing 16 of 16 criteria

Labels and messaging1 criterion

  • The disclosure button has a visible label.WCAG 2.4.6Automated
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass

Semantic markup6 criteria

  • The disclosure button's role is included in the accessibility tree (button, or the native disclosure role a <summary> carries).WCAG 4.1.2Automated
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
  • The disclosure button's accessible name is included in the accessibility tree.WCAG 4.1.2Automated
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
  • The disclosure button's expanded or collapsed state is included in the accessibility tree.WCAG 4.1.2Automated
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
  • If the disclosure is a custom button/content pair, the disclosure button has aria-controls set to the ID of the element containing the disclosed content.WCAG 1.3.1Automated
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
  • When the content is collapsed, it is not included in the accessibility tree.WCAG 1.3.2Automated
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
  • The content comes directly after the disclosure button in the accessibility tree.WCAG 1.3.2Browser
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass

Keyboard6 criteria

  • The disclosure button is focusable using the keyboard.WCAG 2.1.1Browser
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
  • When the content is collapsed and the disclosure button is pressed, the content is expanded and it is included in the accessibility tree.WCAG 1.3.2Browser
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
  • When the content is expanded and the disclosure button is pressed, the content is collapses and it is not included in the accessibility tree.WCAG 1.3.2Browser
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
  • When the disclosure button is activated, focus stays on the disclosure button.WCAG 2.4.3Browser
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
  • The disclosure button has a focus style when it receives focus using a keyboard.WCAG 2.4.7Browser
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
  • The keyboard focus style still renders in forced-colours mode (e.g. Windows High Contrast Mode).Best practiceBrowser
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass

Visual design2 criteria

  • All text meets the minimum contrast ratio of 4.5:1 against the background colour, or 3:1 for large-scale text.WCAG 1.4.3Automated
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
  • If the disclosure button uses a custom focus style, the focus style has a contrast ratio of 3:1 against the background colours.WCAG 1.4.11Browser
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass

Adaptive UI1 criterion

  • The disclosure can be viewed at smaller screen widths (320px) without loss of content or functionality. The user does not have to scroll horizontally to use it.WCAG 1.4.10Browser
    Skill off

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass
    Skill on

    3/3 passed

    • Generation 1: Pass
    • Generation 2: Pass
    • Generation 3: Pass

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